CN101988848A - Two-degree-of-freedom weighing scale suspension device - Google Patents
Two-degree-of-freedom weighing scale suspension device Download PDFInfo
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- CN101988848A CN101988848A CN2009101625536A CN200910162553A CN101988848A CN 101988848 A CN101988848 A CN 101988848A CN 2009101625536 A CN2009101625536 A CN 2009101625536A CN 200910162553 A CN200910162553 A CN 200910162553A CN 101988848 A CN101988848 A CN 101988848A
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- hanger
- scale pan
- pin
- groove
- rigid body
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Abstract
The invention relates to a two-degree-of-freedom weighing scale suspension device. The device comprises an upper lifting lug, a lower lifting lug and a weighing scale, wherein the lower part of the upper lifting lug is provided with a groove I, the upper part of the lower lifting lug is provided with a protrusion I capable of placing the groove I, and a pin passes through the groove I and the protrusion I to connect the upper lifting lug and the lower lifting lug; the lower part of the lower lifting lug is provided with a groove II, the upper part of a suspension rigid body on the weighing scale can be placed in the groove II, and a pin passes through the groove II and the upper part of the suspension rigid body on the weighing scale to connect the lower lifting lug and the suspension rigid body on the weighing scale; and the lower part of the suspension rigid body on the weighing scale is fixedly connected with the weighing scale through a weighing scale suspension rod. The device can effectively reduce the stabilizing time of the scale, reduce the influence of drift on the weighing result and increase the scale weighing speed.
Description
Technical field
The present invention relates to the mass metrology technical field, be specifically related to a kind of two degrees of freedom balance scale pan suspender of ware formula balance down that is used for.
Background technology
According to the regulation of " JJG99-2006 weight detecting rules ", the quality amount passes and all adopts method of substitution.On following ware formula balance, place fixing counterweight counterweight on scale pan of balance, alternately place standard test weight and tested counterweight on another scale pan.
Basic operational steps is: (1) is according to selected standard test weight of tested counterweight and balance, (2) reproduction standard test weight quality on balance, (3) the tested counterweight quality of reproduction on balance, (4) reappear the standard test weight quality on balance, and (5) calculate the quality difference of tested counterweight and standard test weight.For obtaining higher accuracy of measurement, step (2) can repeatedly circulate to (4).
In the quality transmission of quantity value process, counterweight is the primary standard device, and counterweight is the balance material measure that is subordinated to, and balance is mainly used in reproduction counterweight quality value.Therefore, balance weighing performance is the important component part that the quality amount passes ability, and the counterweight of pin-point accuracy has been arranged, and balance that also must supporting pin-point accuracy could make up the counterweight standard set-up of pin-point accuracy.
Circulation just can obtain measurement result owing to need repeatedly, for increasing work efficiency, requires each round-robin Measuring Time short as far as possible, and when promptly requiring at every turn reproduction counterweight quality, the time is short as far as possible.
Find that at work former balance suspender as depicted in figs. 1 and 2, is to hang hanger 29 below hanger 1, the hanger 29 following scales pan 10 that hang.Have multiple degrees of freedom because the hanger between the balance limit cutter and the scale pan connects, when each counterweight is loaded into the scale pan, can cause that inevitably the scale pan rocks, when the scale pan rocked, because action of centrifugal force, what the reading of balance can not stop beated.For improving the accuracy of balance weighing result, should pass through appropriate design, reduce the connection degree of freedom between the limit cutter and the scale pan, its rolling kinetic energy is stopped fast.
Summary of the invention
The object of the present invention is to provide a kind of balance stabilization time of can effectively reducing, the two degrees of freedom balance scale pan suspender of balance weighing speed is accelerated in the influence to weighing result of reducing to drift about.
Realize the technical scheme of the object of the invention: a kind of two degrees of freedom balance scale pan suspender, it comprises hanger, following hanger and the scale pan, its described bottom of going up hanger has groove one, the top of following hanger is provided with the projection one that can be positioned in the groove one, run through groove one and projection one by pin one, hanger is connected with following hanger; Following hanger bottom has groove two, hangs rigid body top on the scale pan and can be positioned in the groove two, by hanging rigid body top on pin two through-going recess two and the scale pan, hanger is connected with suspension rigid body on the scale pan; Hanging the rigid body bottom on the scale pan fixedlys connected with the scale pan by scale pan suspension rod.
Aforesaid a kind of two degrees of freedom balance scale pan suspender, the pin one of hanger and following hanger in its described connection is vertical mutually with the axis of the pin two of suspension rigid body on hanger under described connection the and the scale pan.
Aforesaid a kind of two degrees of freedom balance scale pan suspender, it has pin-and-hole on the groove one of last hanger bottom, and the corresponding position also has pin-and-hole on the projection one on following hanger top, always puts on by pin and states pin-and-hole hanger is connected with following hanger.
Aforesaid a kind of two degrees of freedom balance scale pan suspender, it has pin-and-hole on the groove two of following hanger bottom, on the scale pan, hang corresponding position, rigid body top and also have pin-and-hole, run through above-mentioned pin-and-hole by pin two hanger is connected with suspension rigid body on the scale pan.
Effect of the present invention is: compared with prior art, balance scale pan suspender of the present invention makes only to have two degree of freedom between the balance limit cutter and the scale pan; By connecting the qualification pin one of hanger and following hanger, make pin once institute's suspended portion can only rotate around the axis of pin one, be restricted to one degree of freedom; By hanging the qualification pin two of rigid body on the hanger under connecting and the scale pan, make two times institutes of pin suspended portion be restricted to another degree of freedom around the axis rotation of pin two.The present invention is by reducing the connection degree of freedom between the balance limit cutter and the scale pan, and the amplitude its particular frequencies (single pendulum frequency) under is reduced to acceptable degree, can effectively reduce balance stabilization time, the influence to weighing result of reducing to drift about, quickening balance weighing speed.
Description of drawings
Fig. 1 is former balance suspender front elevation;
Fig. 2 is former balance suspender left view;
Fig. 3 is a kind of two degrees of freedom balance suspender front elevation of the present invention;
Fig. 4 is a kind of two degrees of freedom balance suspender left view of the present invention;
Fig. 5 is the connected mode balance signal spectral analysis figure of former balance suspender;
Fig. 6 is two degrees of freedom balance scale pan suspender balance signal spectral analysis figure of the present invention;
Among the figure: 1. go up hanger; 2. pin one; 3. descend hanger; 4. pin two; 5. hang rigid body on the scale pan; 6. scale pan suspension rod; 7. the scale pan; 8. hanger one; 9. hanger two; 10. the scale pan; 11. groove one; 12. projection one; 13. groove two.
Embodiment
Below in conjunction with the drawings and specific embodiments two degrees of freedom balance scale pan suspender of the present invention is described in further detail.
As shown in Figure 3 and Figure 4, a kind of two degrees of freedom balance scale pan suspender of the present invention, it comprises hanger 1, hangs the rigid body 5 and the scale pan 7 on hanger 3, the scale pan down.
The bottom of last hanger 1 has groove 1, the top of following hanger 3 is provided with the projection 1 that can be positioned in the groove 1, have pin-and-hole on groove 1, the corresponding position also has pin-and-hole on projection 1, runs through above-mentioned pin-and-hole by pin 1 hanger 1 is connected with following hanger 3.
Following hanger 3 bottoms have groove 2 13, hanging rigid body 5 tops on the scale pan can be positioned in the groove 2 13, on groove 2 13, have pin-and-hole, on the scale pan, hang corresponding position, rigid body 5 top and also have pin-and-hole, run through above-mentioned pin-and-hole by pin 24 hanger 3 is connected with suspension rigid body 5 on the scale pan.
Hanging rigid body 5 bottoms on the scale pan fixedlys connected with the scale pan 7 by scale pan suspension rod 6.
The pin 1 of hanger 1 and following hanger 3 in the above-mentioned connection, with is connected time hanger 3 and the scale pan on the axis of pin 24 of suspension rigid body 5 vertical mutually.
Balance scale pan suspender of the present invention makes only to have two degree of freedom between the balance limit cutter and the scale pan; Limit one 2 times institutes of pin suspended portion and can only be restricted to one degree of freedom around the axis rotation of pin 1.Limit 24 times institutes of pin suspended portion and can only be restricted to another degree of freedom around the axis rotation of pin 24.
By testing the different of more former balance suspender and two degrees of freedom balance suspender of the present invention.Fig. 5 is that former balance suspender connected mode balance is stablized signal Spectrum Analysis figure behind the 10s, and Fig. 6 stablizes signal Spectrum Analysis figure behind the 10s for adopting two degrees of freedom balance scale pan suspender balance of the present invention.As can be seen from the test results: reduce balance limit cutter and be connected with the scale pan before and after the degree of freedom, have bigger variation the stabilization time of balance reading, and in the cyclical variation of its reading, change has taken place the situation that the cycle changes.
Claims (4)
1. two degrees of freedom balance scale pan suspender, it comprises hanger (1), following hanger (3) and the scale pan (7), it is characterized in that: described bottom of going up hanger (1) has groove one (11), the top of following hanger (3) is provided with the projection one (12) that can be positioned in the groove one (11), by pin one (2) through-going recess one (11) and projection one (12), hanger (1) is connected with following hanger (3); Following hanger (3) bottom has groove two (13), hanging rigid body (5) top on the scale pan can be positioned in the groove two (13), by hanging rigid body (5) top on pin two (4) through-going recess two (13) and the scale pan, make down and hang rigid body (5) on hanger (3) and the scale pan and be connected; Hanging rigid body (5) bottom on the scale pan fixedlys connected with the scale pan (7) by scale pan suspension rod (6).
2. a kind of two degrees of freedom balance scale pan suspender as claimed in claim 1, it is characterized in that: the pin one (2) of hanger in the described connection (1) and following hanger (3) is vertical mutually with the axis of the pin two (4) that hangs rigid body (5) on hanger (3) under described connection the and the scale pan.
3. a kind of two degrees of freedom balance scale pan suspender as claimed in claim 1 or 2, it is characterized in that: on the groove one (11) of last hanger (1) bottom, have pin-and-hole, projection one (12) on following hanger (3) top goes up the corresponding position and also has pin-and-hole, runs through above-mentioned pin-and-hole by pin one (2) hanger (1) is connected with following hanger (3).
4. a kind of two degrees of freedom balance scale pan suspender as claimed in claim 1 or 2, it is characterized in that: on the groove two (13) of following hanger (3) bottom, have pin-and-hole, on the scale pan, hang rigid body (5) corresponding position, top and also have pin-and-hole, run through above-mentioned pin-and-hole by pin two (4) and make down and hang rigid body (5) on hanger (3) and the scale pan and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101625536A CN101988848A (en) | 2009-08-03 | 2009-08-03 | Two-degree-of-freedom weighing scale suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101625536A CN101988848A (en) | 2009-08-03 | 2009-08-03 | Two-degree-of-freedom weighing scale suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101988848A true CN101988848A (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101625536A Pending CN101988848A (en) | 2009-08-03 | 2009-08-03 | Two-degree-of-freedom weighing scale suspension device |
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| Country | Link |
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| CN (1) | CN101988848A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506979A (en) * | 2011-10-24 | 2012-06-20 | 北京航天计量测试技术研究所 | Mechanical balance displacement performance improving structure and method |
| CN103797342A (en) * | 2011-11-21 | 2014-05-14 | 大和制衡株式会社 | Suspending tool for weighing device and weighing device |
| CN112611441A (en) * | 2020-11-24 | 2021-04-06 | 沪东中华造船(集团)有限公司 | Large-scale hanging scale strorage device |
-
2009
- 2009-08-03 CN CN2009101625536A patent/CN101988848A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506979A (en) * | 2011-10-24 | 2012-06-20 | 北京航天计量测试技术研究所 | Mechanical balance displacement performance improving structure and method |
| CN103797342A (en) * | 2011-11-21 | 2014-05-14 | 大和制衡株式会社 | Suspending tool for weighing device and weighing device |
| CN103797342B (en) * | 2011-11-21 | 2015-09-16 | 大和制衡株式会社 | For Suspension and the measuring apparatus of measuring apparatus |
| CN112611441A (en) * | 2020-11-24 | 2021-04-06 | 沪东中华造船(集团)有限公司 | Large-scale hanging scale strorage device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20110323 |